Lighting Apparatus, Lighting Control System, and Method of Controlling the Lighting Apparatus

1. A lighting apparatus comprising: a light source configured to emit light; a controller configured to control operation of the light source in response to an external control signal; a non-contact sensor configured to detect a non-contact signal; and a communication interface configured to communicatively connect the lighting apparatus to a wireless network to receive the external control signal from a remote apparatus via the wireless network, wherein the controller turns the light source on/off or changes at least one of a color temperature, chroma, or brightness of the light emitted from the light source in response to the external control signal, wherein the light source comprises: a circuit substrate; and one or more light emitting devices that are disposed on the circuit substrate, wherein the one or more light emitting devices comprise a phosphor, a first conductive semiconductor layer, an active layer, a second conductive semiconductor layer, a second electrode layer, an insulating layer, and a first electrode layer that are sequentially stacked, wherein the first electrode layer comprises one or more contacts that are electrically insulated from the second conductive semiconductor layer and the active layer and that extend from a surface of the first electrode layer to a portion of the first conductive semiconductor layer in order to be electrically connected to the first conductive semiconductor layer, and the phosphor generates a white light having a color temperature in a range from 1500° K to 20000°, and wherein the communication interface comprises: an interface unit configured to communicate with the remote apparatus via the wireless network by using a predetermined communication protocol; a network setting unit configured to control the interface unit to connect to or disconnect from the wireless network; and a memory configured to store network data related to the wireless network.

2. The lighting apparatus of claim 1 , wherein the non-contact sensor comprises at least one of a Hall sensor, a proximity sensor, or a magnetic resistance sensor.

3. The lighting apparatus of claim 1 , wherein the non-contact sensor detects an approach of a magnetic substance to the lighting apparatus as the non-contact signal.

4. The lighting apparatus of claim 1 , wherein the network setting unit deletes the network data related to the wireless network stored in the memory in response to receiving a reset signal from the non-contact sensor, and controls the interface unit to search for a new network.

5. The lighting apparatus of claim 1 , wherein the non-contact sensor generates a first reset signal when a polarity of an approaching magnetic substance is an N electrode, and generates a second reset signal different from the first reset signal when the polarity of an approaching magnetic substance is an S electrode.

6. The lighting apparatus of claim 5 , wherein the communication interface disconnects the lighting apparatus from the wireless network and operates in a first reset mode to reconnect the lighting apparatus to the wireless network in response to receiving the first reset signal from the non-contact sensor, and disconnects the lighting apparatus from the wireless network and operates in a second reset mode to connect the lighting apparatus to another wireless network in response to receiving the second reset signal from the non-contact sensor.

7. The lighting apparatus of claim 1 , wherein the second electrode layer comprises at least three vias, distances between the vias have a matrix structure having rows and columns in a range from about 100 μm to about 500 μm, and depths of the vias are in a range from about 0.5 μm to about 5.0 μm.

8. The lighting apparatus of claim 1 , wherein the one or more light emitting devices comprise nano light emitting structures.

9. The lighting apparatus of claim 1 , wherein the wireless network operates according to a ZigBee protocol.

10. A lighting control system comprising: a lighting apparatus according to claim 1 ; a lighting controller configured to generate the external control signal; and a relay configured to receive the external control signal from the lighting controller and provide the external control signal to the lighting apparatus.

11. The lighting control system of claim 10 , wherein the lighting apparatus and the relay are configured to transmit or receive a signal between each other using a same wireless communication protocol, and the lighting controller and the relay are each configured to transmit or receive a signal between each other using a same wireless communication protocol or wired communication protocol.

12. A method of controlling a lighting apparatus connected to a wireless network, the method comprising: detecting a non-contact signal that is generated outside of the lighting apparatus; generating a reset signal in response to detecting the non-contact signal; and controlling the lighting apparatus in response to the reset signal, wherein the lighting apparatus comprises: a light source configured to emit light; a controller configured to control operation of the light source in response to an external control signal; a non-contact sensor configured to detect the non-contact signal; and a communication interface configured to communicatively connect the lighting apparatus to the wireless network to receive the external control signal from a remote apparatus via the wireless network, and wherein the generating of the reset signal comprises: selectively generating a first reset signal or a second reset signal as the reset signal based on a type or pattern of the non-contact signal; and when the lighting apparatus is disconnected from the wireless network, reconnecting the lighting apparatus to the wireless network in response to generating the first reset signal, and connecting the lighting apparatus to another network in response to generating the second reset signal.

13. The method of claim 12 , wherein the non-contact signal is a magnetic signal.

14. A lighting control system comprising: a lighting apparatus configured to emit light in response to a lighting control signal, and to receive the lighting control signal via a communication connection to a wireless network; a lighting controller spaced apart from the lighting apparatus, and configured to generate the lighting control signal and to transmit the lighting control signal across the wireless network, wherein the lighting apparatus comprises: a light source configured to emit the light; a controller configured to control operation of the light source in response to an external control signal; a non-contact sensor configured to detect a non-contact signal and generate a reset signal in response to the non-contact signal; and a communication interface configured to communicatively connect the lighting apparatus to the wireless network to receive the external control signal from a remote apparatus via the wireless network and disconnect the lighting apparatus from the wireless network in response to the reset signal; and a relay communicatively connected to the lighting apparatus via the wireless network and to the lighting controller, and configured to receive the lighting control signal from the lighting controller and to relay the received lighting control signal across the wireless network to the lighting apparatus.

15. The lighting control system of claim 14 , wherein the non-contract sensor is configured to detect a change in a magnetic field, and to trigger the lighting apparatus to disconnect from the wireless network in response to detecting the change in the magnetic field.

16. The lighting control system of claim 15 , wherein the lighting apparatus is configured to connect to another wireless network in response to disconnecting from the wireless network, and to emit light in response to another lighting control signal received via the other wireless network.

17. The lighting control system of claim 15 , wherein the lighting apparatus is configured to automatically search for one or more wireless networks to connect to in response to disconnecting from the wireless network.